CN210451603U - Shield tail sealing brush installation tool - Google Patents
Shield tail sealing brush installation tool Download PDFInfo
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- CN210451603U CN210451603U CN201921605991.0U CN201921605991U CN210451603U CN 210451603 U CN210451603 U CN 210451603U CN 201921605991 U CN201921605991 U CN 201921605991U CN 210451603 U CN210451603 U CN 210451603U
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Abstract
The utility model discloses a shield tail sealing brush mounting tool, which comprises a magnetic sucker, a base and a jacking device, wherein the magnetic sucker is arranged on the base; the base is a magnetic conduction base, the lower part of the base is provided with an arc-shaped surface, and the arc-shaped surface is attached to the inner wall of the shield shell; the jacking device is fixedly arranged on one side of the base, and the movable end of the jacking device is matched with the pressing plate of the sealing brush. The utility model discloses a top tight device can make closely laminating between the adjacent sealed brush to the extrusion of sealed brush, has promoted the installation quality and the installation effectiveness of sealed brush, has reduced intensity of labour simultaneously, has the installation convenient, can adapt to the characteristics that multiple shield constructs diameter, practicality are strong.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction equipment, concretely relates to shield tail seal brush installation frock.
Background
The safety is the basic requirement of tunnel shield construction on the performance of the shield machine, in order to improve the safety and reliability of tunnel construction, the shield machine is provided with a shield body with supporting and sealing functions, the sealing performance of the shield machine is mainly ensured by shield tail sealing, and a tail brush and grease are mainly key components of the shield tail sealing. As the construction projects of crossing the river and crossing the sea and high-water-pressure tunnels are more and more, higher requirements are provided for the pressure bearing capacity of the shield tail seal, and the number of tail brushes is increased without limit to be unfavorable for the turning of the shield machine, so that the sealing performance of the shield tail seal system is improved by improving the installation quality of the tail brushes.
The tail brush is formed by stacking and welding a plurality of sealing brushes, a certain gap exists between every two adjacent sealing brushes, shield tail grease can leak from the gap, the bearing capacity of the sealing cavity is reduced, and the capacity of a shield tail sealing system is further reduced. At present, no special mounting tool is used for reducing the mounting clearance of the conventional sealing brush, the sealing brush is generally mounted in a mode that an operator knocks by a hammer, the sealing brush can rebound after knocking, the sealing brush cannot be effectively leaned against, and the defects of high working strength and difficulty in mounting the top sealing brush exist.
SUMMERY OF THE UTILITY MODEL
There is the problem in clearance when installing to the sealing brush, the utility model provides a shield tail sealing brush installation frock has solved the great shield tail sealing performance who arouses in sealing brush installation clearance and has reduced the problem of becoming invalid even.
For solving the above technical problem, the utility model discloses the technical scheme who adopts as follows:
a shield tail sealing brush installation tool comprises a magnetic sucker, a base and a jacking device, wherein the magnetic sucker is arranged on the base; the base is a magnetic conduction base, an arc surface is arranged at the lower part of the base and is attached to the inner wall of the shield shell, the switch base for opening the magnetic sucker is fixedly connected with the shield shell by virtue of the magnetic force of the magnetic sucker, the magnetic sucker demagnetizes after the magnetic sucker is closed, and the base is separated from the shield shell; the jacking device is fixedly arranged on one side of the base, the movable end of the jacking device is matched with the pressing plate of the sealing brush, and the jacking device is used for pressing the pressing plate of the sealing brush so as to compress the sealing brush. The base utilizes magnetic force and shield shell fixed connection of magnetic chuck, and the cylinder body and the base fixed connection of tight device in top to fixed the position of tight device in top, opened the tight device in top after, the movable end of tight device in top extrudees the clamp plate that can make between the sealing brush inseparabler.
In order to better match with the pressing plate of the sealing brush, the movable end of the jacking device is fixedly provided with a jacking block, one side of the jacking block is detachably connected with the jacking device, the other side of the jacking block is matched with the pressing plate of the sealing brush, and the jacking device is used for pushing the jacking block to prop against the pressing plate of the sealing brush.
The jacking block comprises a top plate and a spiral jacking head, one side of the spiral jacking head is in threaded connection with the movable end of the jacking device, so that the spiral jacking head and the jacking device can be conveniently detached, and the other side of the spiral jacking head is provided with a limiting groove; a convex block is fixedly arranged on one side of the top plate, and the other side of the top plate is matched with a pressing plate of the sealing brush; the lug is fixedly arranged in the limiting groove, the lug is matched with the limiting groove, and the limiting groove is used for limiting the lug so as to prevent the top plate from deflecting when the sealing brush is tightly pushed.
The limiting groove is a square groove, and the lug is a square lug; the square bump is positioned in the square groove and is tightly matched with the square groove; the square convex block is matched with the square groove to avoid the deflection of the top plate, and the effect of limiting the top plate is achieved.
One side of the base is fixedly provided with a limiting sleeve, the fixed end of the jacking device is fixedly arranged in the limiting sleeve, and the limiting sleeve is used for limiting the jacking device. The jacking device can be a telescopic cylinder or a jack, the telescopic cylinder is convenient for automatically controlling the extension and the contraction of the movable end, and the jack is convenient for manually finely adjusting the extension and the contraction of the movable end.
The utility model has the advantages that:
i, the utility model has simple structure, convenient operation and quick assembly and disassembly, and can adjust the compaction degree by adjusting the jacking device so as to avoid damaging the sealing brush; II, two adjacent sealing brushes are tightly attached without a gap under the action of a jacking device, so that the mounted sealing brushes do not leak grease, the mounting quality of the sealing brushes is improved, and the shield tail seal has a good sealing effect; III, the utility model has light weight, can be manually disassembled and assembled, is efficient and convenient, improves the installation quality and the installation efficiency of the sealing brush, and reduces the labor intensity; IV, the size through adjusting the base and the synchronous adjustment magnetic chuck arranges on the base, the utility model discloses adaptable shield constructs the installation of machine seal brush in different excavation diameters, have the characteristics that the practicality is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
In the figure, 1 is a magnetic chuck, 2 is a base, 3 is a limiting sleeve, 4 is a jacking device, 5 is a spiral top, 6 is a top plate, 7 is a sealing brush, and 8 is a shield shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
A shield tail sealing brush installation tool comprises a magnetic sucker 1, a base 2 and a jacking device 4, wherein the base 2 is a magnetic conduction base, the lower part of the base 2 is provided with an arc-shaped surface, and the arc-shaped surface is attached to the inner wall of a shield shell 8 so that the base 2 is attached to the shield shell 8; a sealing plate groove is formed in the upper portion of the base 2, the magnetic suckers 1 are placed in the sealing plate groove, and the magnetic suckers 1 can be arranged in the sealing plate groove in a split mode according to the diameter of the shield body in practical application; when a magnetic switch of the magnetic chuck 1 is turned on, the magnetic chuck 1 magnetically attracts the base 2, and the base 2 further attracts the shield shell 8, so that the base 2 is fixed on the shield shell 8; when the magnetic switch of the magnetic sucker 1 is closed, the magnetic sucker 1 is demagnetized, and the base 2 is separated from the shield shell 8; the jacking device 4 is fixedly arranged on one side of the base 2, and under the pushing action of the jacking device 4, the movable end of the jacking device 4 is matched with the pressing plate of the sealing brush 7 so as to extrude the pressing plate of the sealing brush 7.
A top plate 6 and a spiral top head 5 are arranged at the movable end of the jacking device 4, threads are arranged on one side of the spiral top head 5, and a limiting groove is arranged on the other side of the spiral top head 5; the movable end of the jacking device 4 is provided with a thread groove, and the jacking device 4 is in threaded connection with the spiral top 5 through the thread groove so as to realize the fixed connection of the spiral top 5 and the jacking device 4; a convex block is fixedly arranged on one side of the top plate 6, the other side of the top plate 6 is matched with a pressing plate of the sealing brush 7, and the jacking device 4 pushes the top plate 6 to be jacked on the pressing plate of the sealing brush 7; the lug is fixedly arranged in the limiting groove, and the lug is matched with the limiting groove, so that the fixed connection between the top plate 6 and the spiral top head 5 is realized, and the limiting groove is used for limiting the lug. In this embodiment, the limiting groove is a square groove, and the protrusion is a square protrusion; the square bump is arranged in the square groove and is tightly matched with the square groove so as to prevent the top plate 6 from deflecting when the pressing plate of the sealing brush 7 is tightly pressed.
One side of base 2 is equipped with stop sleeve 3, as shown in fig. 2, stop sleeve 3 passes through the screw vertical fixation on the curb plate of base 2 one side, the stiff end setting of tight device 4 in top is in stop sleeve 3, and tight device 4 in top passes through bolt and base 2 fixed connection.
In the embodiment, the base 2 is formed by welding steel plate materials which can be adsorbed by the magnet; according to the quantity or the type of the tail shield sealing brush 7, the jacking device 4 can select a telescopic oil cylinder or a jack with a proper specification and model to jack the sealing brush 7 tightly, the cylinder body of the telescopic oil cylinder or the jack is fixedly connected with the side plate of the base 2 through a bolt, and the push rod of the telescopic oil cylinder or the jack is detachably connected with the spiral top head 5.
The utility model discloses an installation step as follows:
place base 2's shrouding inslot with magnetic chuck 1, then on the interior arc surface of shield shell 8 is placed to base 2 and magnetic chuck 1 whole, then install base 2 with spacing sleeve 3 on, install in spacing sleeve 3 with the tight device 4 in top of installing spiral top 5 and roof 6 in advance at last.
The utility model discloses a work flow as follows:
the assembled utility model is placed at the position suitable for tightly propping up the sealing brush 7, namely the rear part of the welding position of the tail shield sealing brush 7; opening a magnetic switch of the magnetic sucker 1 to fix the base 2 and the shield shell 8, then enabling the jacking device 4 to work, and enabling the top plate 6 to jack the sealing brush 7 tightly under the action of a push rod of the jacking device 4; when the gap between two adjacent sealing brushes 7 is gradually reduced until the sealing brushes are completely attached, the sealing brushes 7 are welded on the shield shell 8, after one sealing brush 7 is welded, the magnetic switch moving base 2 of the magnetic sucker 1 is closed to move to the position on the shield shell 8, and then the next sealing brush 7 is welded until all the sealing brushes 7 are welded.
In practical application, when the installation demand of tail brush can't be satisfied to a magnetic chuck 1, can arrange a plurality of magnetic chuck 1 components of a whole that can function independently in the shrouding inslot, perhaps link together a plurality of bases 2 through articulated mode and rely on magnetic force and the shield shell of magnetic chuck 1 to adsorb mutually, in order to provide bigger installation thrust, and then the installation of the shield machine's of adaptation different diameters sealed brush 7.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The shield tail sealing brush mounting tool is characterized by comprising a magnetic sucker (1), a base (2) and a jacking device (4), wherein the magnetic sucker (1) is arranged on the base (2); the base (2) is a magnetic conduction base, the lower part of the base (2) is provided with an arc-shaped surface, and the arc-shaped surface is attached to the inner wall of the shield shell (8); the jacking device (4) is fixedly arranged on one side of the base (2), and the movable end of the jacking device (4) is matched with the pressing plate of the sealing brush (7).
2. The shield tail sealing brush mounting tool according to claim 1, wherein a jacking block is fixedly arranged at the movable end of the jacking device (4), one side of the jacking block is detachably connected with the jacking device (4), and the other side of the jacking block is matched with a pressing plate of the sealing brush (7).
3. The shield tail sealing brush mounting tool according to claim 2, wherein the jacking block comprises a top plate (6) and a spiral jacking head (5), one side of the spiral jacking head (5) is in threaded connection with the movable end of the jacking device (4), and the other side of the spiral jacking head (5) is provided with a limiting groove; a convex block is fixedly arranged on one side of the top plate (6), and the other side of the top plate (6) is matched with a pressing plate of the sealing brush (7); the lug is matched with the limiting groove.
4. The shield tail sealing brush mounting tool according to claim 3, wherein the limiting groove is a square groove, and the projection is a square projection; the square bump is arranged in the square groove and is tightly matched with the square groove.
5. The shield tail sealing brush mounting tool according to claim 1, 2, 3 or 4, wherein a limiting sleeve (3) is fixedly arranged on one side of the base (2), and a fixed end of the jacking device (4) is fixedly arranged in the limiting sleeve (3).
6. The shield tail sealing brush installation tool according to claim 5, wherein the jacking device (4) is a telescopic cylinder or a jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921605991.0U CN210451603U (en) | 2019-09-25 | 2019-09-25 | Shield tail sealing brush installation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921605991.0U CN210451603U (en) | 2019-09-25 | 2019-09-25 | Shield tail sealing brush installation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210451603U true CN210451603U (en) | 2020-05-05 |
Family
ID=70435944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921605991.0U Active CN210451603U (en) | 2019-09-25 | 2019-09-25 | Shield tail sealing brush installation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210451603U (en) |
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2019
- 2019-09-25 CN CN201921605991.0U patent/CN210451603U/en active Active
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